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225925693 = 732275099
BaseRepresentation
bin11010111011101…
…01101000111101
3120202010012210021
431131311220331
5430314110233
634230212141
75412223330
oct1535655075
9522105707
10225925693
11106590354
12637b4051
1337a63956
1422010617
1514c7ae2d
hexd775a3d

225925693 has 4 divisors (see below), whose sum is σ = 258200800. Its totient is φ = 193650588.

The previous prime is 225925673. The next prime is 225925709. The reversal of 225925693 is 396529522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-225925693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225925673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16137543 + ... + 16137556.

It is an arithmetic number, because the mean of its divisors is an integer number (64550200).

Almost surely, 2225925693 is an apocalyptic number.

It is an amenable number.

225925693 is a deficient number, since it is larger than the sum of its proper divisors (32275107).

225925693 is an equidigital number, since it uses as much as digits as its factorization.

225925693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32275106.

The product of its digits is 291600, while the sum is 43.

The square root of 225925693 is about 15030.8247611367. The cubic root of 225925693 is about 609.0531696464.

The spelling of 225925693 in words is "two hundred twenty-five million, nine hundred twenty-five thousand, six hundred ninety-three".

Divisors: 1 7 32275099 225925693